Heavy marijuana smoking may raise the risk of lung cancer and several head and neck cancers, according to growing research, ...

In part one of what marijuana really does to your brain, we traced the discovery of the cannabinoid receptor. Finding the receptor is the first step in determining how smoking causes a high. The next ...

Medically reviewed by Femi Aremu, PharmD Key Takeaways Neither vaping nor smoking marijuana is without health risks. However, in general, vaping reduces exposure to toxins.Research continues to ...

Marijuana is made from the shredded and dried parts of the cannabis plant, including the flowers, seeds, leaves, and stems. It’s also known as pot, weed, hash, and dozens of other names. While many ...

A new medical study looking into the potential side effects of ingesting marijuana has shown a possible link between drug usage and an increased risk of cardiovascular diseases. The study, which was ...

Dear Stoner: I’ve started wearing contacts, but every time I smoke weed my eyes get really irritated, and the contacts often fall out. Even eye drops don’t help. It’s been a pain at concerts and while ...